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Cheap flights from London Gatwick Airport to Washington, D.C. from $521

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from London Gatwick Airport to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
3:40 pm - 7:20 pmLGW  London Gatwick-IAD Washington, D.C. Dulles Intl
32h 40m1 stop Reykjavik Keflavik Intl
Icelandair Logo
8:30 pm - 11:45 amIAD  Washington, D.C. Dulles Intl-LGW London Gatwick
10h 15m1 stop Reykjavik Keflavik Intl
$548Icelandair
Fri, May 7 - Sat, May 15
TAP AIR PORTUGAL Logo
10:40 am - 8:30 pmLGW  London Gatwick-IAD Washington, D.C. Dulles Intl
14h 50m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
10:30 pm - 3:45 pmIAD  Washington, D.C. Dulles Intl-LGW London Gatwick
12h 15m1 stop Lisbon Humberto Delgado
$551TAP AIR PORTUGAL
Fri, Jan 15 - Sun, Jan 24
Icelandair Logo
11:55 am - 6:30 pmLGW  London Gatwick-IAD Washington, D.C. Dulles Intl
11h 35m1 stop Reykjavik Keflavik Intl
Icelandair Logo
7:40 pm - 10:55 amIAD  Washington, D.C. Dulles Intl-LGW London Gatwick
10h 15m1 stop Reykjavik Keflavik Intl
$559Icelandair
Mon, Nov 23 - Wed, Dec 23
TAP AIR PORTUGAL Logo
10:40 am - 8:35 pmLGW  London Gatwick-IAD Washington, D.C. Dulles Intl
14h 55m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
10:30 pm - 3:45 pmIAD  Washington, D.C. Dulles Intl-LGW London Gatwick
12h 15m1 stop Lisbon Humberto Delgado
$559TAP AIR PORTUGAL
Sun, Feb 14 - Fri, Feb 26
Icelandair Logo
11:55 am - 6:30 pmLGW  London Gatwick-IAD Washington, D.C. Dulles Intl
11h 35m1 stop Reykjavik Keflavik Intl
Icelandair Logo
7:40 pm - 10:55 amIAD  Washington, D.C. Dulles Intl-LGW London Gatwick
10h 15m1 stop Reykjavik Keflavik Intl
$559Icelandair
Mon, Nov 23 - Fri, Dec 25
TAP AIR PORTUGAL Logo
4:35 pm - 3:15 pmLGW  London Gatwick-IAD Washington, D.C. Dulles Intl
27h 40m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
10:30 pm - 3:05 pmIAD  Washington, D.C. Dulles Intl-LGW London Gatwick
11h 35m1 stop Lisbon Humberto Delgado
$560TAP AIR PORTUGAL
Wed, Jan 20 - Wed, Feb 24
TAP AIR PORTUGAL Logo
4:35 pm - 2:40 pmLGW  London Gatwick-IAD Washington, D.C. Dulles Intl
27h 05m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
5:25 pm - 9:50 amIAD  Washington, D.C. Dulles Intl-LGW London Gatwick
11h 25m1 stop Lisbon Humberto Delgado
$561TAP AIR PORTUGAL
Mon, Jan 18 - Sat, Feb 6
TAP AIR PORTUGAL Logo
4:35 pm - 3:15 pmLGW  London Gatwick-IAD Washington, D.C. Dulles Intl
27h 40m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
10:30 pm - 3:45 pmIAD  Washington, D.C. Dulles Intl-LGW London Gatwick
12h 15m1 stop Lisbon Humberto Delgado
$565TAP AIR PORTUGAL
Wed, Jan 13 - Sun, Jan 24
TAP AIR PORTUGAL Logo
4:00 pm - 8:30 pmLGW  London Gatwick-IAD Washington, D.C. Dulles Intl
33h 30m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
5:25 pm - 9:50 amIAD  Washington, D.C. Dulles Intl-LGW London Gatwick
11h 25m1 stop Lisbon Humberto Delgado
$566TAP AIR PORTUGAL
Thu, Jan 21 - Mon, Jan 25
Icelandair Logo
11:55 am - 6:30 pmLGW  London Gatwick-IAD Washington, D.C. Dulles Intl
11h 35m1 stop Reykjavik Keflavik Intl
Icelandair Logo
8:30 pm - 2:40 pmIAD  Washington, D.C. Dulles Intl-LGW London Gatwick
13h 10m1 stop Reykjavik Keflavik Intl
$568Icelandair
Wed, Dec 16 - Fri, Apr 23

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Icelandair flights from London Gatwick Airport to Washington, D.C. Dulles Intl Airport

Our best Icelandair deals on London Gatwick Airport to Washington, D.C. Dulles Intl Airport flight tickets
Icelandair
May 7
LGW3:40 pmLondon Gatwick
32h 40m
1 stop
IAD7:20 pmWashington, D.C. Dulles Intl
May 15
IAD8:30 pmWashington, D.C. Dulles Intl
10h 15m
1 stop
LGW11:45 amLondon Gatwick
$548
Icelandair
Nov 23
LGW11:55 amLondon Gatwick
11h 35m
1 stop
IAD6:30 pmWashington, D.C. Dulles Intl
Dec 25
IAD7:40 pmWashington, D.C. Dulles Intl
10h 15m
1 stop
LGW10:55 amLondon Gatwick
$559
Icelandair
Dec 16
LGW11:55 amLondon Gatwick
11h 35m
1 stop
IAD6:30 pmWashington, D.C. Dulles Intl
Apr 23
IAD8:30 pmWashington, D.C. Dulles Intl
13h 10m
1 stop
LGW2:40 pmLondon Gatwick
$568

TAP AIR PORTUGAL flights from London Gatwick Airport to Washington, D.C. Dulles Intl Airport

Our best TAP AIR PORTUGAL deals on London Gatwick Airport to Washington, D.C. Dulles Intl Airport flight tickets
TAP AIR PORTUGAL
Jan 15
LGW10:40 amLondon Gatwick
14h 50m
1 stop
IAD8:30 pmWashington, D.C. Dulles Intl
Jan 24
IAD10:30 pmWashington, D.C. Dulles Intl
12h 15m
1 stop
LGW3:45 pmLondon Gatwick
$551
TAP AIR PORTUGAL
Nov 18
LGW4:35 pmLondon Gatwick
27h 40m
1 stop
IAD3:15 pmWashington, D.C. Dulles Intl
Nov 29
IAD10:30 pmWashington, D.C. Dulles Intl
12h 15m
1 stop
LGW3:45 pmLondon Gatwick
$558
TAP AIR PORTUGAL
Jan 20
LGW4:35 pmLondon Gatwick
27h 40m
1 stop
IAD3:15 pmWashington, D.C. Dulles Intl
Feb 24
IAD10:30 pmWashington, D.C. Dulles Intl
11h 35m
1 stop
LGW3:05 pmLondon Gatwick
$560

momondo Fare Finder

 
Use the filters below to find and compare flights from London Gatwick Airport to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonWashington, D.C.

LGW London Gatwick - IAD Washington, D.C. Dulles Intl

LGWIAD

London Gatwick

Fri 5/7

3:40 pm-7:20 pm

1 stop32h 40m

Washington, D.C. Dulles Intl

Sat 5/15

8:30 pm-11:45 am

1 stop10h 15m

$548

LondonWashington, D.C.

LGW London Gatwick - IAD Washington, D.C. Dulles Intl

LGWIAD

London Gatwick

Fri 1/15

10:40 am-8:30 pm

1 stop14h 50m

Washington, D.C. Dulles Intl

Sun 1/24

10:30 pm-3:45 pm

1 stop12h 15m

$551
Quickest round-trip

LondonWashington, D.C.

LGW London Gatwick - IAD Washington, D.C. Dulles Intl

LGWIAD

London Gatwick

Mon 11/23

11:55 am-6:30 pm

1 stop11h 35m

Washington, D.C. Dulles Intl

Wed 12/23

7:40 pm-10:55 am

1 stop10h 15m

$559

LondonWashington, D.C.

LGW London Gatwick - IAD Washington, D.C. Dulles Intl

LGWIAD

London Gatwick

Sun 2/14

10:40 am-8:35 pm

1 stop14h 55m

Washington, D.C. Dulles Intl

Fri 2/26

10:30 pm-3:45 pm

1 stop12h 15m

$559

LondonWashington, D.C.

LGW London Gatwick - IAD Washington, D.C. Dulles Intl

LGWIAD

London Gatwick

Mon 11/23

11:55 am-6:30 pm

1 stop11h 35m

Washington, D.C. Dulles Intl

Fri 12/25

7:40 pm-10:55 am

1 stop10h 15m

$559

LondonWashington, D.C.

LGW London Gatwick - IAD Washington, D.C. Dulles Intl

LGWIAD

London Gatwick

Wed 1/20

4:35 pm-3:15 pm

1 stop27h 40m

Washington, D.C. Dulles Intl

Wed 2/24

10:30 pm-3:05 pm

1 stop11h 35m

$560

LondonWashington, D.C.

LGW London Gatwick - IAD Washington, D.C. Dulles Intl

LGWIAD

London Gatwick

Mon 1/18

4:35 pm-2:40 pm

1 stop27h 05m

Washington, D.C. Dulles Intl

Sat 2/6

5:25 pm-9:50 am

1 stop11h 25m

$561

LondonWashington, D.C.

LGW London Gatwick - IAD Washington, D.C. Dulles Intl

LGWIAD

London Gatwick

Wed 1/13

4:35 pm-3:15 pm

1 stop27h 40m

Washington, D.C. Dulles Intl

Sun 1/24

10:30 pm-3:45 pm

1 stop12h 15m

$565

LondonWashington, D.C.

LGW London Gatwick - IAD Washington, D.C. Dulles Intl

LGWIAD

London Gatwick

Thu 1/21

4:00 pm-8:30 pm

1 stop33h 30m

Washington, D.C. Dulles Intl

Mon 1/25

5:25 pm-9:50 am

1 stop11h 25m

$566

LondonWashington, D.C.

LGW London Gatwick - IAD Washington, D.C. Dulles Intl

LGWIAD

London Gatwick

Wed 12/16

11:55 am-6:30 pm

1 stop11h 35m

Washington, D.C. Dulles Intl

Fri 4/23

8:30 pm-2:40 pm

1 stop13h 10m

$568

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from London Gatwick Airport to Washington, D.C. Dulles Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?

In general, June is the cheapest month to fly from London Gatwick Airport to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of June, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $0.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Wednesday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $753. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from London Gatwick Airport to Washington, D.C. Dulles Intl Airport for around $837.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from London Gatwick Airport in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $767 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $815 on average. Flights to Washington, D.C. Dulles Intl Airport from London Gatwick Airport at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from London Gatwick Airport to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from London Gatwick Airport to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap London Gatwick Airport to Washington, D.C. Dulles Intl Airport (LGW to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Gatwick Airport to Washington, D.C. Dulles Intl Airport

Best Price Found

$521

Fastest flight time

11h 35m

Direct flights

None
The best one-way flight to Washington, D.C. Dulles Intl Airport from London Gatwick Airport in the past 72 hours is $521. The best round-trip flight deal from London Gatwick Airport to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $548.
The fastest flight from London Gatwick Airport to Washington, D.C. Dulles Intl Airport takes 11h 35m
There are no direct flights from London Gatwick Airport to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from London Gatwick Airport to Washington, D.C. Dulles Intl Airport.
Search flight deals

Frequently asked questions about flying from London Gatwick Airport to Washington, D.C. Dulles Intl Airport

  • How far is London Gatwick to Washington, D.C. Dulles Intl by plane?

    The distance between London Gatwick and Washington, D.C. Dulles Intl is about 3682.8 mi. A reasonable flight in good conditions will take 11h 35m.

  • When did momondo last update prices for flights from London Gatwick Airport to Washington, D.C. Dulles Intl Airport?

    Prices for flights from London Gatwick Airport to Washington, D.C. Dulles Intl Airport are updated daily.

  • How old do you have to be to fly from London Gatwick Airport to Washington, D.C. Dulles Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Gatwick Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The travel and health documents required for your trip to Washington, D.C. Dulles Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C. Dulles Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Arlington
Gettysburg
Fredericksburg
Winchester
Waldorf
Laurel
Gaithersburg
Woodbridge
Linthicum Heights
Rockville
Silver Spring
Sterling
Towson
Fairfax
Springfield
Glen Burnie
Edgewood
Chantilly

Why use momondo?

Why should I use momondo to find a flight deal from London to Washington, D.C.?

It is quick and easy to find London to Washington, D.C. flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington, D.C. that suits you.

Can I find flights from London to Washington, D.C. with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for London to Washington, D.C. flights to just show those with flexible booking policies.

How can momondo help me find flights from London to Washington, D.C.?

momondo helps you find the best flight between London and Washington, D.C. by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from London to Washington, D.C. right now. Can momondo alert me if prices change?

Price alerts on flights to Washington, D.C. from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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